Mazda 323 1988 Workshop Manual page 192

TROUBLESHOOTING GUIDE
36
SPECIFICATIONS
Cooling system
Water-cooled, forced circulation
-
Coolant capacity
With heater liters (US qt, Imp qt.)
6.0 (6.3, 5.3)
Type 2 stage
Thermostat
Opening temperature OC (OF)
SUB. 65 (185)
MAIN. 66 (190)
Full-open temperature OC ("F)
100 (212)
Full-open lift mm (in)
SUB. 1.5 (0.06) or more
MAIN. 6 (0.31) or more
water pump
TYPO Centrifugal
Radiator
TYPO
Corrugated fin type
Cap valve pressure kPa (kg/cm', psi)
74-103 (0.75-I .05, 1 l-15)
Cooling fan
Outer diameter
No. of blades
mm (in)
320 (12.6)
4
83"038-003
TROUBLESHOOTING GUIDE
Problem
Coolant leakage
COrrOSiOn
Overheating
Possible Cause
Remedy Page
Damaged radiator core seam
Replace 38-l 0
Leakage from radiator hose or heater hose Repair or replace 38-10
Leakage from water thermo switch or radiator switch Repair or replace 3B- 6.7
Malfunction of water pump seal ReplaCe 3B-11
Oamaged or loose thermostat cover or gasket Repair or replace 3B- 9
Loose cylinder head bolt
Refer to Section 1 B -
Damaged cylinder head gasket Refer to Section 1 B
-
Cracked cylinder block Refer to Section 1 B -
Cracked cylinder head Refer to Section 1 B
-
Impurities in coolant
Clean and flush 3B- 4
Water passage clogged ClC?i37 38-i 0
Thermostat malfunction Replace 3B- 9
Radiator fins clogged Cll?ENl 38-10
Water pump malfunction Repair or replace 38-i 1
Insufficient coolant Add 3B- 4
Electric fan motor malfunction
Rf3plCtCe
3B- 5
Electric fan relay malfunction Replace 38- 7
Radiator cap malfunction
Replace
3B- 5 L
38-3